one-side welding with back formation造句

All position automatic welding of pipe one - side welding with back formation
管道全位置自动焊单面焊双面成形
One - side welding with back formation
单面焊双面成形
Analysis of factors influencing on one - side welding with back formation in smaw
手工电弧焊单面焊双面成形影响因素分析
One - side welding with back formation of pure aluminum plate by using double - wire welding
纯铝中厚板双丝单面焊双面成形工艺
It's difficult to find one-side welding with back formation in a sentence. 用one-side welding with back formation造句挺难的